San Francisco, CA

7:38 PM PST on February 23, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - February, 2010

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Tuesday, February 9, 2010

  Actual Average Record
Temperature  
Mean Temperature 52 °F 52 °F  
Max Temperature 56 °F 59 °F 71 °F (2006)
Min Temperature 47 °F 46 °F 36 °F (1956)
Degree Days  
Heating Degree Days 13 13  
Month to date heating degree days 106 117  
Since 1 July heating degree days 1518 1584  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 44 °F    
Average Humidity 76    
Maximum Humidity 93    
Minimum Humidity 59    
Precipitation  
Precipitation 0.20 in 0.15 in 2.03 in (1962)
Month to date precipitation 0.83 1.35  
Year to date precipitation 6.80 5.54  
Since 1 July precipitation 13.30  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 9 mph (East)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Feb. 09, 2010 Rise Set
Actual Time 7:05 AM PST 5:42 PM PST
Civil Twilight 6:38 AM PST 6:09 PM PST
Nautical Twilight 6:07 AM PST 6:40 PM PST
Astronomical Twilight 5:36 AM PST 7:10 PM PST
Moon 4:20 AM PST (2/9) 1:50 PM PST (2/9)
Length of Visible Light 11h 31m
Length of Day
10h 36m
Waning Crescent, 16% of the Moon is Illuminated
Feb 9
Waning Crescent
Feb 13
New
Feb 21
First Quarter
Feb 28
Full
Mar 7
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 51.1 °F 46.0 °F 83% 29.90 in 10.0 mi SE 6.9 mph - N/A   Overcast
1:56 AM 50.0 °F 46.9 °F 89% 29.89 in 5.0 mi South 4.6 mph - 0.03 in Rain Light Rain
2:56 AM 48.9 °F 46.9 °F 93% 29.89 in 3.0 mi SW 6.9 mph - 0.12 in Rain Rain
3:56 AM 48.9 °F 45.0 °F 86% 29.88 in 10.0 mi SSW 6.9 mph - 0.02 in Rain Light Rain
4:56 AM 48.0 °F 43.0 °F 83% 29.86 in 10.0 mi SSE 3.5 mph - 0.03 in   Overcast
5:56 AM 48.0 °F 44.1 °F 86% 29.86 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
6:56 AM 46.9 °F 44.1 °F 90% 29.86 in 9.0 mi SE 8.1 mph - 0.00 in   Mostly Cloudy
7:56 AM 46.9 °F 43.0 °F 86% 29.86 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
8:56 AM 48.9 °F 42.1 °F 77% 29.87 in 10.0 mi ESE 11.5 mph - N/A   Mostly Cloudy
9:56 AM 51.1 °F 42.1 °F 71% 29.88 in 10.0 mi East 11.5 mph - N/A   Mostly Cloudy
10:56 AM 51.1 °F 42.1 °F 71% 29.89 in 10.0 mi East 13.8 mph - N/A   Mostly Cloudy
11:56 AM 53.6 °F 42.8 °F 67% 29.88 in 10.0 mi East 11.5 mph - N/A   Mostly Cloudy
12:56 PM 53.1 °F 39.9 °F 61% 29.88 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
1:56 PM 55.0 °F 43.0 °F 64% 29.86 in 10.0 mi NE 11.5 mph - N/A   Mostly Cloudy
2:56 PM 55.9 °F 43.0 °F 62% 29.86 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
3:56 PM 55.0 °F 44.1 °F 67% 29.88 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
4:56 PM 54.0 °F 44.1 °F 69% 29.89 in 10.0 mi North 17.3 mph - N/A   Mostly Cloudy
5:56 PM 53.1 °F 44.1 °F 71% 29.92 in 10.0 mi North 16.1 mph - N/A   Scattered Clouds
6:56 PM 53.1 °F 45.0 °F 74% 29.96 in 10.0 mi NNW 12.7 mph - N/A   Mostly Cloudy
7:56 PM 52.0 °F 44.1 °F 74% 29.97 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
8:56 PM 53.1 °F 44.1 °F 71% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 PM 52.0 °F 45.0 °F 77% 29.98 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
10:56 PM 51.1 °F 45.0 °F 80% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 PM 46.9 °F 43.0 °F 86% 29.99 in 10.0 mi West 8.1 mph - N/A   Clear